Best in 7 days
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Shipping Estimate
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sea to Summit Reactor Sleeping Bag LinerThe THERMOLITE Reactor Extreme liner is Sea to Summits warmest knitted sleeping bag liner. If your adventures take you to colder climates, the Reactor Extreme will add plenty of warmth to a sleeping bag. Plus in warmer weather, it can be used as a stand alone sleeping bag. The hollow core fibres of the THERMOLITE fabric work like a polar bear's fur and, along with the knitted structure, trap plenty of insulating air. Super soft and amazingly stretchy,
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1658 reviews
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Product Reviews
★★★★★ 5
Nice shirt.
Color: 01-coffee(pattern1), Size: 3X-Large
Nice quality for the cost. I got several positive comments the first time I wore it. The sizes run a little small though.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Awesome
Color: 01-coffee(pattern1), Size: Large
The fit was perfect and comfortable!
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Reviewed in the United States on May 20, 2026
★★★★★ 3
Runs very small 3xl is more like xl
Color: 01-coffee(pattern1), Size: 3X-Large
Runs very small
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Great option
Color: Light Blue, Size: XX-Large
love the style! this is for a western attire
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Reviewed in the United States on January 18, 2026
★★★★★ 5
Great quality!
Color: Beige, Size: Large
Perfect for my husband for maternity photos. Large was the perfect size, it was long enough, and thick enough for the chilly weather! Would purchase again.
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Reviewed in the United States on May 2, 2026
